From: Marc Zyngier <maz@kernel.org>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
Peng Hao <richard.peng@oppo.com>,
kernel-team@android.com, Gavin Shan <gshan@redhat.com>,
kvm@vger.kernel.org, Will Deacon <will@kernel.org>,
Quentin Perret <qperret@google.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Christoffer Dall <christoffer.dall@arm.com>,
Eric Auger <eric.auger@redhat.com>,
Alexander Graf <graf@amazon.com>,
Andrew Scull <ascull@google.com>,
James Morse <james.morse@arm.com>,
David Brazdil <dbrazdil@google.com>,
Alexandru Elisei <alexandru.elisei@arm.com>,
kvmarm@lists.cs.columbia.edu,
Julien Thierry <julien.thierry.kdev@gmail.com>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH 22/56] KVM: arm64: Split hyp/debug-sr.c to VHE/nVHE
Date: Wed, 5 Aug 2020 18:56:26 +0100 [thread overview]
Message-ID: <20200805175700.62775-23-maz@kernel.org> (raw)
In-Reply-To: <20200805175700.62775-1-maz@kernel.org>
From: David Brazdil <dbrazdil@google.com>
debug-sr.c contains KVM's code for context-switching debug registers, with some
code shared between VHE/nVHE. These common routines are moved to a header file,
VHE-specific code is moved to vhe/debug-sr.c and nVHE-specific code to
nvhe/debug-sr.c.
Functions are slightly refactored to move code hidden behind `has_vhe()` checks
to the corresponding .c files.
Signed-off-by: David Brazdil <dbrazdil@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200625131420.71444-11-dbrazdil@google.com
---
arch/arm64/kernel/image-vars.h | 5 --
arch/arm64/kvm/hyp/Makefile | 2 +-
.../{debug-sr.c => include/hyp/debug-sr.h} | 78 +++----------------
arch/arm64/kvm/hyp/nvhe/Makefile | 2 +-
arch/arm64/kvm/hyp/nvhe/debug-sr.c | 77 ++++++++++++++++++
arch/arm64/kvm/hyp/vhe/Makefile | 2 +-
arch/arm64/kvm/hyp/vhe/debug-sr.c | 26 +++++++
7 files changed, 118 insertions(+), 74 deletions(-)
rename arch/arm64/kvm/hyp/{debug-sr.c => include/hyp/debug-sr.h} (71%)
create mode 100644 arch/arm64/kvm/hyp/nvhe/debug-sr.c
create mode 100644 arch/arm64/kvm/hyp/vhe/debug-sr.c
diff --git a/arch/arm64/kernel/image-vars.h b/arch/arm64/kernel/image-vars.h
index 06fe9833104a..c44ca4e7dd66 100644
--- a/arch/arm64/kernel/image-vars.h
+++ b/arch/arm64/kernel/image-vars.h
@@ -66,11 +66,6 @@ __efistub__ctype = _ctype;
/* Symbols defined in aarch32.c (not yet compiled with nVHE build rules). */
KVM_NVHE_ALIAS(kvm_skip_instr32);
-/* Symbols defined in debug-sr.c (not yet compiled with nVHE build rules). */
-KVM_NVHE_ALIAS(__debug_switch_to_guest);
-KVM_NVHE_ALIAS(__debug_switch_to_host);
-KVM_NVHE_ALIAS(__kvm_get_mdcr_el2);
-
/* Symbols defined in entry.S (not yet compiled with nVHE build rules). */
KVM_NVHE_ALIAS(__guest_enter);
KVM_NVHE_ALIAS(__guest_exit);
diff --git a/arch/arm64/kvm/hyp/Makefile b/arch/arm64/kvm/hyp/Makefile
index 7462d3a8a6f2..fc09025d2e97 100644
--- a/arch/arm64/kvm/hyp/Makefile
+++ b/arch/arm64/kvm/hyp/Makefile
@@ -14,7 +14,7 @@ obj-$(CONFIG_KVM) += hyp.o vhe/ nvhe/
obj-$(CONFIG_KVM_INDIRECT_VECTORS) += smccc_wa.o
hyp-y := vgic-v3-sr.o timer-sr.o aarch32.o vgic-v2-cpuif-proxy.o sysreg-sr.o \
- debug-sr.o entry.o fpsimd.o
+ entry.o fpsimd.o
# KVM code is run at a different exception code with a different map, so
# compiler instrumentation that inserts callbacks or checks into the code may
diff --git a/arch/arm64/kvm/hyp/debug-sr.c b/arch/arm64/kvm/hyp/include/hyp/debug-sr.h
similarity index 71%
rename from arch/arm64/kvm/hyp/debug-sr.c
rename to arch/arm64/kvm/hyp/include/hyp/debug-sr.h
index e95af204fec7..e041dbd23243 100644
--- a/arch/arm64/kvm/hyp/debug-sr.c
+++ b/arch/arm64/kvm/hyp/include/hyp/debug-sr.h
@@ -4,6 +4,9 @@
* Author: Marc Zyngier <marc.zyngier@arm.com>
*/
+#ifndef __ARM64_KVM_HYP_DEBUG_SR_H__
+#define __ARM64_KVM_HYP_DEBUG_SR_H__
+
#include <linux/compiler.h>
#include <linux/kvm_host.h>
@@ -85,53 +88,9 @@
default: write_debug(ptr[0], reg, 0); \
}
-static void __hyp_text __debug_save_spe_nvhe(u64 *pmscr_el1)
-{
- u64 reg;
-
- /* Clear pmscr in case of early return */
- *pmscr_el1 = 0;
-
- /* SPE present on this CPU? */
- if (!cpuid_feature_extract_unsigned_field(read_sysreg(id_aa64dfr0_el1),
- ID_AA64DFR0_PMSVER_SHIFT))
- return;
-
- /* Yes; is it owned by EL3? */
- reg = read_sysreg_s(SYS_PMBIDR_EL1);
- if (reg & BIT(SYS_PMBIDR_EL1_P_SHIFT))
- return;
-
- /* No; is the host actually using the thing? */
- reg = read_sysreg_s(SYS_PMBLIMITR_EL1);
- if (!(reg & BIT(SYS_PMBLIMITR_EL1_E_SHIFT)))
- return;
-
- /* Yes; save the control register and disable data generation */
- *pmscr_el1 = read_sysreg_s(SYS_PMSCR_EL1);
- write_sysreg_s(0, SYS_PMSCR_EL1);
- isb();
-
- /* Now drain all buffered data to memory */
- psb_csync();
- dsb(nsh);
-}
-
-static void __hyp_text __debug_restore_spe_nvhe(u64 pmscr_el1)
-{
- if (!pmscr_el1)
- return;
-
- /* The host page table is installed, but not yet synchronised */
- isb();
-
- /* Re-enable data generation */
- write_sysreg_s(pmscr_el1, SYS_PMSCR_EL1);
-}
-
-static void __hyp_text __debug_save_state(struct kvm_vcpu *vcpu,
- struct kvm_guest_debug_arch *dbg,
- struct kvm_cpu_context *ctxt)
+static inline void __hyp_text __debug_save_state(struct kvm_vcpu *vcpu,
+ struct kvm_guest_debug_arch *dbg,
+ struct kvm_cpu_context *ctxt)
{
u64 aa64dfr0;
int brps, wrps;
@@ -148,9 +107,9 @@ static void __hyp_text __debug_save_state(struct kvm_vcpu *vcpu,
ctxt->sys_regs[MDCCINT_EL1] = read_sysreg(mdccint_el1);
}
-static void __hyp_text __debug_restore_state(struct kvm_vcpu *vcpu,
- struct kvm_guest_debug_arch *dbg,
- struct kvm_cpu_context *ctxt)
+static inline void __hyp_text __debug_restore_state(struct kvm_vcpu *vcpu,
+ struct kvm_guest_debug_arch *dbg,
+ struct kvm_cpu_context *ctxt)
{
u64 aa64dfr0;
int brps, wrps;
@@ -168,20 +127,13 @@ static void __hyp_text __debug_restore_state(struct kvm_vcpu *vcpu,
write_sysreg(ctxt->sys_regs[MDCCINT_EL1], mdccint_el1);
}
-void __hyp_text __debug_switch_to_guest(struct kvm_vcpu *vcpu)
+static inline void __hyp_text __debug_switch_to_guest_common(struct kvm_vcpu *vcpu)
{
struct kvm_cpu_context *host_ctxt;
struct kvm_cpu_context *guest_ctxt;
struct kvm_guest_debug_arch *host_dbg;
struct kvm_guest_debug_arch *guest_dbg;
- /*
- * Non-VHE: Disable and flush SPE data generation
- * VHE: The vcpu can run, but it can't hide.
- */
- if (!has_vhe())
- __debug_save_spe_nvhe(&vcpu->arch.host_debug_state.pmscr_el1);
-
if (!(vcpu->arch.flags & KVM_ARM64_DEBUG_DIRTY))
return;
@@ -194,16 +146,13 @@ void __hyp_text __debug_switch_to_guest(struct kvm_vcpu *vcpu)
__debug_restore_state(vcpu, guest_dbg, guest_ctxt);
}
-void __hyp_text __debug_switch_to_host(struct kvm_vcpu *vcpu)
+static inline void __hyp_text __debug_switch_to_host_common(struct kvm_vcpu *vcpu)
{
struct kvm_cpu_context *host_ctxt;
struct kvm_cpu_context *guest_ctxt;
struct kvm_guest_debug_arch *host_dbg;
struct kvm_guest_debug_arch *guest_dbg;
- if (!has_vhe())
- __debug_restore_spe_nvhe(vcpu->arch.host_debug_state.pmscr_el1);
-
if (!(vcpu->arch.flags & KVM_ARM64_DEBUG_DIRTY))
return;
@@ -218,7 +167,4 @@ void __hyp_text __debug_switch_to_host(struct kvm_vcpu *vcpu)
vcpu->arch.flags &= ~KVM_ARM64_DEBUG_DIRTY;
}
-u32 __hyp_text __kvm_get_mdcr_el2(void)
-{
- return read_sysreg(mdcr_el2);
-}
+#endif /* __ARM64_KVM_HYP_DEBUG_SR_H__ */
diff --git a/arch/arm64/kvm/hyp/nvhe/Makefile b/arch/arm64/kvm/hyp/nvhe/Makefile
index 8b3ac38eaa44..b3cb67b63d67 100644
--- a/arch/arm64/kvm/hyp/nvhe/Makefile
+++ b/arch/arm64/kvm/hyp/nvhe/Makefile
@@ -6,7 +6,7 @@
asflags-y := -D__KVM_NVHE_HYPERVISOR__
ccflags-y := -D__KVM_NVHE_HYPERVISOR__
-obj-y := switch.o tlb.o hyp-init.o ../hyp-entry.o
+obj-y := debug-sr.o switch.o tlb.o hyp-init.o ../hyp-entry.o
obj-y := $(patsubst %.o,%.hyp.o,$(obj-y))
extra-y := $(patsubst %.hyp.o,%.hyp.tmp.o,$(obj-y))
diff --git a/arch/arm64/kvm/hyp/nvhe/debug-sr.c b/arch/arm64/kvm/hyp/nvhe/debug-sr.c
new file mode 100644
index 000000000000..828c0d48e790
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/debug-sr.c
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2015 - ARM Ltd
+ * Author: Marc Zyngier <marc.zyngier@arm.com>
+ */
+
+#include <hyp/debug-sr.h>
+
+#include <linux/compiler.h>
+#include <linux/kvm_host.h>
+
+#include <asm/debug-monitors.h>
+#include <asm/kvm_asm.h>
+#include <asm/kvm_hyp.h>
+#include <asm/kvm_mmu.h>
+
+static void __hyp_text __debug_save_spe(u64 *pmscr_el1)
+{
+ u64 reg;
+
+ /* Clear pmscr in case of early return */
+ *pmscr_el1 = 0;
+
+ /* SPE present on this CPU? */
+ if (!cpuid_feature_extract_unsigned_field(read_sysreg(id_aa64dfr0_el1),
+ ID_AA64DFR0_PMSVER_SHIFT))
+ return;
+
+ /* Yes; is it owned by EL3? */
+ reg = read_sysreg_s(SYS_PMBIDR_EL1);
+ if (reg & BIT(SYS_PMBIDR_EL1_P_SHIFT))
+ return;
+
+ /* No; is the host actually using the thing? */
+ reg = read_sysreg_s(SYS_PMBLIMITR_EL1);
+ if (!(reg & BIT(SYS_PMBLIMITR_EL1_E_SHIFT)))
+ return;
+
+ /* Yes; save the control register and disable data generation */
+ *pmscr_el1 = read_sysreg_s(SYS_PMSCR_EL1);
+ write_sysreg_s(0, SYS_PMSCR_EL1);
+ isb();
+
+ /* Now drain all buffered data to memory */
+ psb_csync();
+ dsb(nsh);
+}
+
+static void __hyp_text __debug_restore_spe(u64 pmscr_el1)
+{
+ if (!pmscr_el1)
+ return;
+
+ /* The host page table is installed, but not yet synchronised */
+ isb();
+
+ /* Re-enable data generation */
+ write_sysreg_s(pmscr_el1, SYS_PMSCR_EL1);
+}
+
+void __hyp_text __debug_switch_to_guest(struct kvm_vcpu *vcpu)
+{
+ /* Disable and flush SPE data generation */
+ __debug_save_spe(&vcpu->arch.host_debug_state.pmscr_el1);
+ __debug_switch_to_guest_common(vcpu);
+}
+
+void __hyp_text __debug_switch_to_host(struct kvm_vcpu *vcpu)
+{
+ __debug_restore_spe(vcpu->arch.host_debug_state.pmscr_el1);
+ __debug_switch_to_host_common(vcpu);
+}
+
+u32 __hyp_text __kvm_get_mdcr_el2(void)
+{
+ return read_sysreg(mdcr_el2);
+}
diff --git a/arch/arm64/kvm/hyp/vhe/Makefile b/arch/arm64/kvm/hyp/vhe/Makefile
index 9f71cd3ba50d..62bdaf272b03 100644
--- a/arch/arm64/kvm/hyp/vhe/Makefile
+++ b/arch/arm64/kvm/hyp/vhe/Makefile
@@ -6,7 +6,7 @@
asflags-y := -D__KVM_VHE_HYPERVISOR__
ccflags-y := -D__KVM_VHE_HYPERVISOR__
-obj-y := switch.o tlb.o ../hyp-entry.o
+obj-y := debug-sr.o switch.o tlb.o ../hyp-entry.o
# KVM code is run at a different exception code with a different map, so
# compiler instrumentation that inserts callbacks or checks into the code may
diff --git a/arch/arm64/kvm/hyp/vhe/debug-sr.c b/arch/arm64/kvm/hyp/vhe/debug-sr.c
new file mode 100644
index 000000000000..f1e2e5a00933
--- /dev/null
+++ b/arch/arm64/kvm/hyp/vhe/debug-sr.c
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2015 - ARM Ltd
+ * Author: Marc Zyngier <marc.zyngier@arm.com>
+ */
+
+#include <hyp/debug-sr.h>
+
+#include <linux/kvm_host.h>
+
+#include <asm/kvm_hyp.h>
+
+void __debug_switch_to_guest(struct kvm_vcpu *vcpu)
+{
+ __debug_switch_to_guest_common(vcpu);
+}
+
+void __debug_switch_to_host(struct kvm_vcpu *vcpu)
+{
+ __debug_switch_to_host_common(vcpu);
+}
+
+u32 __kvm_get_mdcr_el2(void)
+{
+ return read_sysreg(mdcr_el2);
+}
--
2.27.0
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next prev parent reply other threads:[~2020-08-05 18:29 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-05 17:56 [GIT PULL] KVM/arm64 updates for 5.9 Marc Zyngier
2020-08-05 17:56 ` [PATCH 01/56] KVM: arm64: Enable Address Authentication at EL2 if available Marc Zyngier
2020-08-05 17:56 ` [PATCH 02/56] KVM: arm64: Allow ARM64_PTR_AUTH when ARM64_VHE=n Marc Zyngier
2020-08-05 17:56 ` [PATCH 03/56] KVM: arm64: Allow PtrAuth to be enabled from userspace on non-VHE systems Marc Zyngier
2020-08-05 17:56 ` [PATCH 04/56] KVM: arm64: Check HCR_EL2 instead of shadow copy to swap PtrAuth registers Marc Zyngier
2020-08-05 17:56 ` [PATCH 05/56] KVM: arm64: Simplify PtrAuth alternative patching Marc Zyngier
2020-08-05 17:56 ` [PATCH 06/56] KVM: arm64: Allow in-atomic injection of SPIs Marc Zyngier
2020-08-05 17:56 ` [PATCH 07/56] arm64: kvm: Remove kern_hyp_va from get_vcpu_ptr Marc Zyngier
2020-08-05 17:56 ` [PATCH 08/56] KVM: arm64: Drop the target_table[] indirection Marc Zyngier
2020-08-05 17:56 ` [PATCH 09/56] KVM: arm64: Tolerate an empty target_table list Marc Zyngier
2020-08-05 17:56 ` [PATCH 10/56] KVM: arm64: Move ACTLR_EL1 emulation to the sys_reg_descs array Marc Zyngier
2020-08-05 17:56 ` [PATCH 11/56] KVM: arm64: Remove target_table from exit handlers Marc Zyngier
2020-08-05 17:56 ` [PATCH 12/56] KVM: arm64: Remove the target table Marc Zyngier
2020-08-05 17:56 ` [PATCH 13/56] KVM: arm64: Fix symbol dependency in __hyp_call_panic_nvhe Marc Zyngier
2020-08-05 17:56 ` [PATCH 14/56] KVM: arm64: Move __smccc_workaround_1_smc to .rodata Marc Zyngier
2020-08-05 17:56 ` [PATCH 15/56] KVM: arm64: Add build rules for separate VHE/nVHE object files Marc Zyngier
2021-05-04 14:47 ` Auger Eric
2021-05-05 18:03 ` Marc Zyngier
2021-05-10 8:43 ` Auger Eric
2021-05-18 11:48 ` Auger Eric
2021-05-18 11:57 ` Marc Zyngier
2020-08-05 17:56 ` [PATCH 16/56] KVM: arm64: Use build-time defines in has_vhe() Marc Zyngier
2020-08-05 17:56 ` [PATCH 17/56] KVM: arm64: Handle calls to prefixed hyp functions Marc Zyngier
2020-08-05 17:56 ` [PATCH 18/56] KVM: arm64: Build hyp-entry.S separately for VHE/nVHE Marc Zyngier
2020-08-05 17:56 ` [PATCH 19/56] KVM: arm64: Move hyp-init.S to nVHE Marc Zyngier
2020-08-05 17:56 ` [PATCH 20/56] KVM: arm64: Duplicate hyp/tlb.c for VHE/nVHE Marc Zyngier
2020-08-05 17:56 ` [PATCH 21/56] KVM: arm64: Split hyp/switch.c to VHE/nVHE Marc Zyngier
2020-08-05 17:56 ` Marc Zyngier [this message]
2020-08-05 17:56 ` [PATCH 23/56] KVM: arm64: Split hyp/sysreg-sr.c " Marc Zyngier
2020-08-05 17:56 ` [PATCH 24/56] KVM: arm64: Duplicate hyp/timer-sr.c for VHE/nVHE Marc Zyngier
2020-08-05 17:56 ` [PATCH 25/56] KVM: arm64: Compile remaining hyp/ files for both VHE/nVHE Marc Zyngier
2020-08-05 17:56 ` [PATCH 26/56] KVM: arm64: Remove __hyp_text macro, use build rules instead Marc Zyngier
2020-08-05 17:56 ` [PATCH 27/56] KVM: arm64: Lift instrumentation restrictions on VHE Marc Zyngier
2020-08-05 17:56 ` [PATCH 28/56] KVM: arm64: vgic-its: Change default outer cacheability for {PEND, PROP}BASER Marc Zyngier
2020-08-05 17:56 ` [PATCH 29/56] KVM: arm64: Drop long gone function parameter documentation Marc Zyngier
2020-08-05 17:56 ` [PATCH 30/56] KVM: arm64: Rename HSR to ESR Marc Zyngier
2020-08-05 17:56 ` [PATCH 31/56] arm64: Detect the ARMv8.4 TTL feature Marc Zyngier
2020-08-05 17:56 ` [PATCH 32/56] arm64: Document SW reserved PTE/PMD bits in Stage-2 descriptors Marc Zyngier
2020-08-05 17:56 ` [PATCH 33/56] arm64: Add level-hinted TLB invalidation helper Marc Zyngier
2020-08-05 17:56 ` [PATCH 34/56] KVM: arm64: Factor out stage 2 page table data from struct kvm Marc Zyngier
2020-08-05 17:56 ` [PATCH 35/56] KVM: arm64: Use TTL hint in when invalidating stage-2 translations Marc Zyngier
2020-08-05 17:56 ` [PATCH 36/56] KVM: arm64: Introduce accessor for ctxt->sys_reg Marc Zyngier
2020-08-05 17:56 ` [PATCH 37/56] KVM: arm64: hyp: Use ctxt_sys_reg/__vcpu_sys_reg instead of raw sys_regs access Marc Zyngier
2020-08-05 17:56 ` [PATCH 38/56] KVM: arm64: sve: Use __vcpu_sys_reg() " Marc Zyngier
2020-08-05 17:56 ` [PATCH 39/56] KVM: arm64: pauth: Use ctxt_sys_reg() " Marc Zyngier
2020-08-05 17:56 ` [PATCH 40/56] KVM: arm64: debug: Drop useless vpcu parameter Marc Zyngier
2020-08-05 17:56 ` [PATCH 41/56] KVM: arm64: Make struct kvm_regs userspace-only Marc Zyngier
2020-08-05 17:56 ` [PATCH 42/56] KVM: arm64: Move ELR_EL1 to the system register array Marc Zyngier
2020-08-05 17:56 ` [PATCH 43/56] KVM: arm64: Move SP_EL1 " Marc Zyngier
2020-08-05 17:56 ` [PATCH 44/56] KVM: arm64: Disintegrate SPSR array Marc Zyngier
2020-08-05 17:56 ` [PATCH 45/56] KVM: arm64: Move SPSR_EL1 to the system register array Marc Zyngier
2020-08-05 17:56 ` [PATCH 46/56] KVM: arm64: timers: Rename kvm_timer_sync_hwstate to kvm_timer_sync_user Marc Zyngier
2020-08-05 17:56 ` [PATCH 47/56] KVM: arm64: timers: Move timer registers to the sys_regs file Marc Zyngier
2020-08-19 9:24 ` Jianyong Wu
2020-08-19 10:00 ` Marc Zyngier
2020-08-19 10:18 ` Jianyong Wu
2020-08-19 10:39 ` Marc Zyngier
2020-08-19 12:58 ` Jianyong Wu
2020-08-05 17:56 ` [PATCH 48/56] KVM: arm64: Don't use has_vhe() for CHOOSE_HYP_SYM() Marc Zyngier
2020-08-05 17:56 ` [PATCH 49/56] KVM: arm64: Make nVHE ASLR conditional on RANDOMIZE_BASE Marc Zyngier
2020-08-05 17:56 ` [PATCH 50/56] KVM: arm64: Substitute RANDOMIZE_BASE for HARDEN_EL2_VECTORS Marc Zyngier
2020-08-05 17:56 ` [PATCH 51/56] KVM: arm64: Ensure that all nVHE hyp code is in .hyp.text Marc Zyngier
2020-08-05 17:56 ` [PATCH 52/56] KVM: arm: Add trace name for ARM_NISV Marc Zyngier
2020-08-05 17:56 ` [PATCH 53/56] KVM: arm64: Rename kvm_vcpu_dabt_isextabt() Marc Zyngier
2020-08-05 17:56 ` [PATCH 54/56] KVM: arm64: Handle data and instruction external aborts the same way Marc Zyngier
2020-08-05 17:56 ` [PATCH 55/56] KVM: arm64: Don't skip cache maintenance for read-only memslots Marc Zyngier
2020-08-05 17:57 ` [PATCH 56/56] KVM: arm64: Move S1PTW S2 fault logic out of io_mem_abort() Marc Zyngier
2020-08-05 18:27 ` [GIT PULL] KVM/arm64 updates for 5.9 Paolo Bonzini
2020-08-09 16:13 ` Paolo Bonzini
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